Home / 76,117.04-114,182.30-19,957

Finding the Fourth Proportional to 76,117.04, 114,182.30 and 19,957

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Solution

The fourth proportional to 76,117.04, 114,182.30 and 19,957 is: 29,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.04 : 114,182.30 = 19,957 : x
  2. Step 2: Convert to fraction form
    76,117.04/114,182.30 = 19,957/x
  3. Step 3: Cross multiply
    76,117.04x = 114,182.30 × 19,957
  4. Step 4: Simplify right side
    76,117.04x = 2,278,736,161.10
  5. Step 5: Solve for x
    x = 2,278,736,161.10/76,117.04
  6. Step 6: Final answer
    x = 29,937.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.